import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login'
import Home from '../components/Home'
import Welcome from '../components/Welcome'
import Users from '../components/user/Users'
Vue.use(VueRouter)
const routes = [
  {
    path:'/',
    redirect:'/login'
  },
  {
    path: '/login', component: Login
  },
  {
    path:'/home',component:Home,redirect:'/welcome',
    children:[
      {
        path:'/welcome',
        component:Welcome
      },
      {
        path:'/users',
        component:Users
      }
    ]
  }
]
const router = new VueRouter({
  routes
})
router.beforeEach((to,from,next)=>{
  if(to.path==='/login') return next();
  const tokenStr=window.sessionStorage.getItem('token')
  if(!tokenStr) return next('/login')
  next()
})
export default router
